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Proof step 16 from proof initval-ref (previous step)

¬ is_reftype(ty) ⊦ initial_value(ty) = refval(r) ↔ r = jvmref ∧ (is_reftype(ty) ∨ ty = void_type)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ initial_value(void_type) = refval(jvmref)
Proof step 15:
initial_value(ty) = refval(r) ⊦ is_reftype(ty), r = jvmref ∧ ty = void_type

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ refval(r) = refval(r0) ↔ r = r0])]]